Almost unused. Product Name: ELECOM Wireless Mouse EX-G PRO XL Size Features: Developed in collaboration with an orthopedic surgeon, it features a "non-gripping" design that allows for use in a natural hand position. Functions: 8 buttons, tilt-wheel, smart high-speed scrolling, Bluetooth/2.4GHz wireless dual compatibility, rechargeable, silent switches, and antibacterial specifications. Connectivity: Compatible with both Bluetooth 5.0 and 2.4GHz wireless, and can connect to up to 3 devices simultaneously.